Worst customer service experience

Disappointed customer

My bmw was in on the 11th sep 2021 for to change the boot lock and a new key I did just sign for collection no invoice was given to me on thr 11th at 12 40pm to be exact 2 days after the work was done had to bring the key back to masterkey the big size white guy assisted complaint that the lock is too hard to turn Over a month later the boot key had broke I took back to masterkey in benoni town they refused to help me without an invoice despite showing them the proof of payment of 2600 on the 11th I gave Belinda the exact time they can put on the camera today I visited masterkey again Belinda advise as per my proof of payment there was no bmw done which is utter nonsense so means then who didn't record this in the book I was told masterkey doesmt keep preview records I'm extremely disappointed and I would suggest that nobody supports this business due to the inconvenience and unethical business conduct been shoft from pillar to post 5 th I had to take off from work and still they can't assist me..the person Donavan who helped me is not inn and finance last on leave